<template>
  <el-dialog :title="title" :visible="showDialog" @close="close">
    <el-form ref="addDept" :model="formData" :rules="rules" label-width="120px">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="managerId" label="部门负责人">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段 value 存储字段 -->
          <el-option v-for="item in managerList" :key="item.id" :label="item.username" :value="item.id" />
        </el-select>

      </el-form-item>

      <el-form-item prop="introduce" label="部门介绍">
        <el-input
          v-model="formData.introduce"
          placeholder="1-100个字符"
          type="textarea"
          size="mini"
          :rows="4"
          style="width: 80%"
        />
      </el-form-item>

      <el-form-item>
        <!-- 按钮 -->
        <el-row type="flex" justify="center">
          <el-col :span="12">
            <el-button size="mini" type="primary" @click="addOrUpdateDepartment">确定</el-button>

            <el-button size="mini" @click="close">取消</el-button>

          </el-col>

        </el-row>

      </el-form-item>

    </el-form>
  </el-dialog>

</template>

<script>
import { addDepartmentAPI, getDepartmentAPI, getDepartmentDetailAPI, getManagerAPI, updateDepartmentAPI } from '@/api/department'
import { Message } from 'element-ui'

export default {
  name: 'AddDept',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    pid: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      rules: {
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
          }, {
            trigger: 'blur',
            // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              let result = await getDepartmentAPI()
              if (this.formData.id) {
                // 后端生成的id 编辑部门  排除自己
                result = result.filter(item => item.id !== this.formData.id)
              }
              // result数组中是否存在 value值
              if (result.some(item => item.code === value)) {
                callback(new Error('部门中已经有该编码了'))
              } else {
                callback()
              }
            }
          }
        ], // 部门编码
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
          min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
        }], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
          }, {
            trigger: 'blur',
            // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              let result = await getDepartmentAPI()
              if (this.formData.id) {
                // 编辑部门  排除自己
                result = result.filter(item => item.id !== this.formData.id)
              }
              // result数组中是否存在 value值
              if (result.some(item => item.name === value)) {
                callback(new Error('部门中已经有该名称了'))
              } else {
                callback()
              }
            }
          }] // 部门名称
        // pid: '' // 父级部门的id 不需要做校验
      },
      managerList: [], // 负责人数据
      title: '新增部门'
    }
  },
  created() {
    this.getManager()
  },
  methods: {
    close() {
      this.$refs.addDept.resetFields()
      this.title = '新增部门'
      // this.formData = { }
      this.$emit('update:showDialog', false)
    },
    async getManager() {
      const res = await getManagerAPI()
      console.log('获取负责人数据  ----->  ', res)
      this.managerList = res
    },
    async getDepartmentDetail(id) {
      this.title = '编辑部门'
      const res = await getDepartmentDetailAPI(id)
      console.log('获取部门详情  ----->  ', res)
      this.formData = res
    },
    async addOrUpdateDepartment() {
      if (this.formData.id) {
        await updateDepartmentAPI(this.formData)
      } else {
        this.formData.pid = this.pid
        await addDepartmentAPI(this.formData)
      }
      this.close()
      this.$emit('getDepartment')
      Message.success(this.formData.id ? '编辑成功' : '新增成功')
    }
  }
}
</script>
